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ISO 4

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X20Cr13 X30Cr13
#ISO-4

Description

International ISO ISO 15510 (2010), ISO 16143-1 (2004), ISO 16143-2 (2004), ISO 16143-3 (2005), ISO 6931-2, ISO/TS 15510 (2003), ISO 4 Specialsteel Stainless steels - Chemical composition and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: ISO 4
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel ISO 4 Martensite ISO International Stainless steels - Chemical composition

Chemical composition(mass fraction)(wt.%) of the ISO 4

C Si Mn P S Cr Ni Mo N
0.16 -0.25 ≤1.00 ≤1.50 ≤0.040 ≤0.030 12.00 -14.00 ≤ ≥ ≤ ≥ ≤ ≥

Mechanical Properties of steel grade ISO 4

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
352 (≥) 593 (≥) 13 21 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical Properties of steel grade ISO 4

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
13 - -     0.13 -  
852 357 - 44.3 221   -  
427 - 33 44.2   143 232

Heat Treatment of steel grade ISO 4

Heat treated : 1534°C - 1417°C

Technological Curves of steel grade ISO 4

Relevant standard of ISO 4

ISO 15510 (2010) Stainless steels -- Chemical composition ISO-15510-(2010).pdf
ISO 16143-1 (2004) Stainless steels for general purposes -- Part 1: Flat products ISO-16143-1-(2004).pdf
ISO 16143-2 (2004) Stainless steels for general purposes -- Part 2: Semi-finished products, bars, rods and sections ISO-16143-2-(2004).pdf
ISO 16143-3 (2005) Stainless steels for general purposes -- Part 3: Wire ISO-16143-3-(2005).pdf
ISO 6931-2 Stainless steels for springs - Part 2: Narrow strip ISO-6931-2.pdf
ISO/TS 15510 (2003) Stainless steels - Chemical composition ISO-TS-15510-(2003).pdf
X20Cr13 X30Cr13
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